Explicitly shutdown the navigator

src/main/java/net/citizensnpcs/npc/ai/CitizensNavigator.java

@@ -129,6 +129,8 @@ public class CitizensNavigator implements Navigator {
     }
 
     private void stopNavigating() {
+        if (executing != null)
+            executing.stop();
         executing = null;
         localParams = defaultParams;
     }

src/main/java/net/citizensnpcs/npc/ai/MCNavigationStrategy.java

@@ -41,6 +41,11 @@ public class MCNavigationStrategy implements PathStrategy {
         return TargetType.LOCATION;
     }
 
+    @Override
+    public void stop() {
+        navigation.g();
+    }
+
     @Override
     public boolean update() {
         navigation.a(parameters.avoidWater());

src/main/java/net/citizensnpcs/npc/ai/MCTargetStrategy.java

@@ -60,6 +60,11 @@ public class MCTargetStrategy implements PathStrategy, EntityTarget {
         return aggro;
     }
 
+    @Override
+    public void stop() {
+        navigation.g();
+    }
+
     @Override
     public boolean update() {
         if (target == null || target.dead)
@@ -83,7 +88,6 @@ public class MCTargetStrategy implements PathStrategy, EntityTarget {
 
         return false;
     }
-
     private static final int ATTACK_DELAY_TICKS = 20;
 
     private static final double ATTACK_DISTANCE = 1.75 * 1.75;

src/main/java/net/citizensnpcs/npc/ai/PathStrategy.java

@@ -9,5 +9,7 @@ public interface PathStrategy {
 
     TargetType getTargetType();
 
+    void stop();
+
     boolean update();
 }